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22,837
RESULTS

Media Type
21,585
texts
360
images
328
audio
303
concerts
255
movies
4
software
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Topics & Subjects
9,462
DTIC Archive
4,596
ERIC Archive
4,281
NASA Technical Reports Server (NTRS)
942
COMPUTER PROGRAMS
802
MATHEMATICAL MODELS
737
Elementary Secondary Education
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Collection
9,462
Defense Technical Information Archive
4,596
Education Resources Information Center (ERIC) Archive
4,281
NASA Network Resource and Training Site
1,006
American Libraries
456
The Magazine Rack
353
NASA Images
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Creator
9,462
defense technical information center
4,596
eric
4,281
nasa technical reports server (ntrs)
312
lee enterprises
282
grateful dead
240
ukrainian national association, inc.
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Language
21,388
English
240
Ukrainian
53
Korean
35
German
23
Dutch
22
French
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